Add robustness against null models

[novacoin.git] / src / qt / askpassphrasedialog.cpp

diff --git a/src/qt/askpassphrasedialog.cpp b/src/qt/askpassphrasedialog.cpp
index a297513..89cdf43 100644 (file)
--- a/src/qt/askpassphrasedialog.cpp
+++ b/src/qt/askpassphrasedialog.cpp
@@ -72,6 +72,8 @@ void AskPassphraseDialog::setModel(WalletModel *model)
 void AskPassphraseDialog::accept()
 {
     std::string oldpass, newpass1, newpass2;
+    if(!model)
+        return;
     // TODO: mlock memory / munlock on return so they will not be swapped out, really need "mlockedstring" wrapper class to do this safely
     oldpass.reserve(MAX_PASSPHRASE_SIZE);
     newpass1.reserve(MAX_PASSPHRASE_SIZE);